Method of forming paper rolls



p 9 1936 L. A. STRAUBEL 2,53,786

METHOD OF FORMING PAPER ROLLS Filed Nov. 14, 1934 2 Sheets-Sheet l fizz/@112?? 02413 Q 5571224 595 MW 0.! JVZYZZ Swat. 8, 1936.

L. A. STRAUBEL METHOD OF FORMING PAPER ROLLS Filed Nov. 14, 1934 v2 Sheets-Sheet 2 fizz/@2225? Z0 Q. 552T: ubel Patented Sept. 8, 1936 UNITED STATES PATENT OFFICE 6 Claims.

The invention relates to an article of manufacture and method of forming the same. More particularly it relates to compact rolls of relatively soft paper such as toilet paper, divided transverse- 1y to provide sections connected only at one marginal edge by narrow ties, and also to a method of forming such rolls.

Rolls of paper of the kind described are well known in the art and heretofore such rolls have lo been formed by winding a sheet of paper of the width of the roll, which has been perforated or partially severed along longitudinally spaced transverse lines. The sheet is thereby adapted to be completely detached at such lines upon unllb winding the roll and exerting a pull upon the paper. The lines of partial severance heretofore provided for such sheets consist of rows of perrorations or relatively short slits so formed as to leave the marginal edges 01 the sheet either un- A 2Q severed or only slightly severed in order that there be no corners folded under when winding the sheet into a roll. There must also be suficient unsevered material at such lines to withstand the pull necessarily exerted upon the sheet when 5 forming it into a roll. The rolls so formed are adapted to be mounted in such a manner that they are comparatively easily unwound and as a result the sections are not severed by the slight pull necessary for unwinding the roll. Furthergo more, unless care is exercised by the user, a plu rality of sections are unwound at each operation and substantial and unnecessary lengths of paper are detached with the result that a considerable portion of each roll is wasted.

35 It is one of the objects of the invention to provide individual rolls of paper comprising longitudinal sections of practical length connected only at one marginal edge by ties which are eas-' ily severed by the pull normally necessary to un- 40 wind the roll, whereby the waste, which is incidental to the use oi rolls not so completely severed,

is avoided.

The invention also contemplates economy in manufacture oi individual rolls by forming a mul- 45 tiple 'roll from a sheet of paper wide enough to provide a plurality of rolls, the sheet having been cut by means oi a die stamp or otherwise to form therein a plurality of transverse slits arranged in as many longitudinal rows as there are individ- 50 ual rolls to be formed irom the sheet. The slits in each row are oi. a length slightly less than the width of the individual rolls to be formed, and are so arranged that the sheet retains sufilcient tensile strength to be wound into a compact mul- 55 tiple roll without tearing. All or some of the slits comprising each row terminate in imaginary parallel rectilinear longitudinal lines forming common boundaries for adjacent rows and for the outer edges of the border rows. The multiple roll is then formed into a plurality of individual rolls 5 of the desired width by cutting the roll transversely at sections coincident with said longitudinal boundary lines with the result that each individual roll comprises a plurality of sections fastened to the next adjacent sections by narrow l0 marginal ties.

It is another object of the invention to provide a multiple roll of paper from a single sheet slit transversely in such a. manner that upon cutting the roll at selected sections to form individual rolls, said individual rolls will each comprise a relatively narrow sheet of paper divided transversely to provide a plurality of longitudinally extending sections connected only by narrow ties.

Still another object of the invention is the pro- 2g. vision of a novel method of forming a relatively wide blank sheet of paper into a plurality of individual compact rolls each comprising a narrow sheet of paper having the same length as the blank and completely severed transversely other than by a narrow tie at a plurality of longitudinally spaced apart transverse lines.

Another object of the invention is the provision of a novel method of providing a compact roll comprising a narrow sheet of soft easily torn paper divided into a plurality of longitudinal sections each connected to the adjacent sections by a single narrow tie.

A still further object of the invention is the provision of a novel method of forming toilet paper rolls which results in economy both in the production and in the use of the rolls.

Many other objects and advantages of the construction herein shown and described will be obvious to those skilled in the art from the disclosure herein given.

To 'this end my invention consists in the novel method herein described and also in the construction, arrangement and combination of parts herein described and shown and moreparticularly pointed out in the claims.

In the drawings wherein like reference characters indicate like or corresponding parts,

Fig. 1 is a view of a multiple roll formed from a sheet of paper slit transversely in accordance 59 with the principles of the invention;

Fig. 2 is a view of still another multiple roll similar to, but providing a different arrangement of slits than those shown in Fig. 1;

Fig. 3 is a view of either of the rolls shown in Figs. 1 and 2 with the roll enclosed by a closefltting continuous wrapper;

Fig.4 is a diagrammatic view of a device operable to cut the multiple rolls transversely'into a plurality of individual rolls; and

Fig. 5 is a view of a typical individual roll adapted to be formed by cutting the multiple roll, the individual roll being shown as it appears when partially unwound.

Referring now more particularly to Fig. 1 or the drawings, the numeral iii designates a partially unwound, multiple roll formed from a sheet of paper ii. The sheet ll, preliminary to winding it into multiple rolls is provided with a plurality of transversely extending slits i2 formed in any suitable manner such as by a die cutter or the like. The slits 52 are arranged in longitudinally extending rows separated by common imaginary rectilinear parallel boundary lines indicated by dotted lines 3 with the outer edges of each of the border rows of slits bounded by imaginary lines indicated by dotted lines i i parallel to the lines l3 and closely spaced to the adjacent marginal edges of the sheet.

The slits i2 comprising each row are staggered relative to the slits comprising adjacent rows with alternate ones of the slits comprising each row terminating in the same boundary line and the remaining slits terminating in the opposite boundary line. A sheet of thin easily torn paper, such as toilet paper having slits arranged as described, provides sufficient tensile strength to adapt it to be wound into a compact multiple roll without tearing. The multiple roll it formed from the sheet H after being slit as described is enclosed, as shown in Fig. 4, by a continuous wrapper 2 5 having marker lines 25 on its outer surface so spaced as to overlie the longitudinal .lines i3 and id forming the boundary lines of the rows of slits i2. Any suitable indicia, such as a trade-marl: or trade-name, or manufacturer's name, generally designated by the letter K, may be provided on the wrapper 2 3 between the lines 25. The lines 25 are provided on the wrapper to indicate the sections at which the multiple roll is designed to be cut transversely to provide individual rolls of the usual width. Obviously the cutting of the multiple roll at the sections designated will sever the sheet i l along the longitudinal lines it and M and will thereby cut across and open each of the slits ii at one end.

The longitudinal sections of the sheet H resulting from the described cutting of the multiple roll, each consists of a plurality of short sections connected with the adjacent sections at the lines of slit only by a tie having a width equal to the difference between the length of the slits i2 and the width of the individual rolls. Each individual roll thus consists of a narrow sheet of paper severed transversely except for a narrow tie at a plurality of points in such a manner that the sheet could not be wound into a roll.

Another embodiment of the invention is shown in Fig. 2 as comprising a multiple roll 20, formed from a sheet 21 providing a plurality of transversely extending slits H. The slits l2 are arranged in a plurality of longitudinally extending rows with the slits in each row staggered relative to the slits in adjacent rows. The longitudinal rows of slits, except one border row and its next adjoining row, are separated from the next adjacent row by an imaginary rectilinear line 22, said border row and next adjacent row having a common imaginary boundary line 23 parallel to the lines 22. The outer ends of the aosavec slits comprising the border rows terminate short oi the edges of the sheet 2i and have their other ends respectively terminating in the lines 22 and The slits l2 comprising each intermediate row all terminate in a single imaginary boundary line with the opposite ends stopping short of the imaginary boundary line in which the slits of the next adjacent row terminate. The roll 29 is adapted to be enclosed with a wrapper similar to the wrapper 2 5 shown in Fig. i but difiering therefrom by omitting the end marker lines 25, it being understood that the ends 01' the wrapper coincide with the marginal edges of the sheet and that the lines 25 respectively overlie the lines 22 and 23 forming the boundaries of the intermediate rows or slits in the sheet 2 l.

The multiple rolls 28, described as formed from the sheets 2i, are also adapted to be cut transversely at planes indicated by the marking lines 35 formed on the wrapper 26, and in so cutting the rolls, the sheets comprising the same will be out along the boundary lines separating the various rows of slits and thereby intersect one end of each transverse slit it with the result that the individual rolls each comprise a narrow sheet of paper consisting of a plurality of sections connected to the next adjacent sections only by nar row marginal ties.

The multiple rolls Hi and 26 may be cut as described by using any suitable tool but because of the soft and yielding qualities of the paper usually used in such rolls, such cutting is most satisfactorily accomplished by positioning the rolls in a close fitting container whereby they are held firmly on both sides of the cutting sections. A typical device adapted for cutting such rolls is shown in Fig. i as comprising a shaft 26 having a plurality of cutting discs 29 mounted thereon in spaced relation corresponding to the spacing of the lines 25 on the wrapper sheets 26. The container for the rolls is shown as comprising a plurality of aligned closely spaced cylindrical members 3! fixedly mounted on a shaft 30. The shaft 30, carrying the members 3!, is adapted to be moved towards and away from the shaft 213 by any suitable meanssuch as a rack, not shown. The shaft 28, carrying the cutting discs 29, is adapted to be rotated by any suitable means with the discs in operative engagement with a roll mounted in the members 3!. The spacing of the members Si is such as to permit entrance of the discs 29 as the multiple roll is moved towards the rotating discs and the multiple roll is thereby sheared or cut into individual rolls having smooth ends and. similar wrappers. Further description of the structure and operation of the typical device for cutting the multiple rolls is omitted since it is not claimed as forming any part of the invention.

Fig. 5 illustrates a typical individual roll formed in the manner hereinbefore described and designated by the numeral 33 as it appears with the wrapper section 2 3 removed, and the roll partially unwound. The narrow sheet comprising the roll is divided into'longitudinal sections 3 5 connected by single marginal ties 35.

The roll 33 is identical with the individual rolls that are to be formed by practicing the method as described and shown for the sheet shown in Fig. 1. An individual roll formed from the sheet shown in Fig. 2 difiers from the roll 33 only in having all of the ties on the same edge of the roll.

Thus it will be seen that I have provided compact rolls of toilet paper or the like substantially severed transversely at a plurality of lines promote economy in use, the severance being sufiiciently complete that the roll could not be formed from a sheet so severed and that I have also provided a novel method of forming such rolls which results in economy of manufacture.

Having thus described my invention, it is obvious that various immaterial modifications may be made in the same without departing i'rom the spirit of my invention; hence I do not wish to be understood as limiting myself to the exact form, construction, arrangement and combination of parts herein shown and described or uses mentioned.

What I claim as new and desire to secure by Letters Patent is:

1. The method oi forming a blank sheet of paper into a plurality of individual rolls, which consists in forming as many longitudinal rows of transversely extending slits in the blank as there are rolls to be formed, with adjacent rows having a common rectilinear longitudinal boundary line, the spacing of said lines being greater than the length of the slits arranged in longitudinal rows therebetween, one end of each slit stopping short of a boundary line and the other end terminating in the opposite boundary line,

then forming a roll of said sheet, and then cutting said roll at sections corresponding to said longitudinal lines.

paper into a plurality of individual rolls which consists in forming as many longitudinal rows of transverse slits in the blank as there are rolls to be formed, with adjacent rows having a common rectilinear boundary line, the spacing of said lines being greater than the length of the slits, alternate ones of said slits in each row terminating in one longitudinal boundary line and the remainder of said slits in each row terminating in an adjacent longitudinal bo ndary lin th forming said sheet into a roll, and then cutting said roll at sections corresponding to said longitudinal lines.

3. The method of forming a blank sheet of paper into a plurality of individual rolls which consists in forming as many longitudinal rows of transverse slits in the blank as there are rolls to be formed, the length of said slits being less than the width 01 theindividual rolls to be formed, the slits in each row except one marginal row all having one end terminating in a longitudinal line in spaced relation to the adjacent ends of the slits forming the next adjacent row, said marginal row having its slitsterminating in thesame longitudinal line as the next adjacent row, then forming said sheet into a roll, and then cutting said roll at sections corresponding to said longitudinal lines.

4. The method of forming a blank sheet of paper into a plurality of individual rolls which consists in forming as many longitudinal rows of transverse slits in the blank as there are rolls to be formed, with the slits in each row terminating in a rectilinear longitudinal line, the spacing of said lines being greater than the length of said slits, the slits comprising the marginal rows having their outer ends stopping short of the edge of the sheet, the slits in one marginal row and in the next adjacent row terminating in the same longitudinal line, then forming a roll of said sheet, and then cutting said roll at sections corresponding to' said longitudinal lines.

5. The method of forming a plurality of rolls from a single blank sheet of paper which consists in forming a plurality of transverse slits in the blank arranged in as many longitudinal rows as there are rolls to be formed, then forming the sheet so slit into a cylindrical roll, then cutting said roll transversely to its longitudinal axis at planes corresponding to selected lines between said rows whereby individual rolls are formed re- 2. The method of forming a blank sheet oi.

spectively containing a row of slits, the slits so formed in each roll having a length less than the roll in which it is formed with each slit having one terminus in a cutting'plane.

,6. The method of forming a plurality oi. rolls from a single blank sheet of paper which consists in forming a plurality of transverse slits in the blank arranged in as many longitudinal rows as there are rolls to be formed, then formin the sheet so slit into a cylindrical rol1,then cu ting said roll transversely to its longitudinal axis at planes corresponding to selected lines between said rows whereby individual rolls are formed respectively containing arow of slits, the slits so formed in each roll having a length less than the roll in which it is i'ormed, certain of the slits in each row having one end terminating in exact accordance with one cutting plane forming a boundary for its roll and others of said slits in each row having their opposite ends terminating in the cutting plane forming the other boundary of its roll.

LOUIS A. S'I'RAUBEL. 

